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1

On the Approximation Properties of Cesàro Means of Negative Order of Walsh–Fourier Series

Ushangi Goginava

Journal:

Journal of Approximation Theory

Year:

2002

Language:

english

File:

PDF, 108 KB

english, 2002

2

Almost everywhere convergence of -means of cubical partial sums of -dimensional Walsh–Fourier series

Ushangi Goginava

Journal:

Journal of Approximation Theory

Year:

2006

Language:

english

File:

PDF, 226 KB

english, 2006

3

The weak type inequality for the maximal operator of the Marcinkiewicz–Fejér means of the two-dimensional Walsh–Fourier series

Ushangi Goginava

Journal:

Journal of Approximation Theory

Year:

2008

Language:

english

File:

PDF, 747 KB

english, 2008

4

Marcinkiewicz–Fejer means of d-dimensional Walsh–Fourier series

Ushangi Goginava

Journal:

Journal of Mathematical Analysis and Applications

Year:

2005

Language:

english

File:

PDF, 119 KB

english, 2005

5

Uniform convergence of Cesàro means of negative order of double Walsh–Fourier series

Ushangi Goginava

Journal:

Journal of Approximation Theory

Year:

2003

Language:

english

File:

PDF, 162 KB

english, 2003

6

The Hardy type inequality for the maximal operator of the one-dimensional dyadic derivative

Ushangi Goginava

Journal:

Acta Mathematica Scientia

Year:

2011

Language:

english

File:

PDF, 183 KB

english, 2011

7

Approximation properties of (C, α) means of double walsh-Fourier series

Ushangi Goginava

Journal:

Analysis in Theory and Applications

Year:

2004

Language:

english

File:

PDF, 634 KB

english, 2004

8

Strong Approximation by Marcinkiewicz Means of

Ushangi Goginava, Larry Gogoladze

Journal:

Constructive Approximation

Year:

2012

Language:

english

File:

PDF, 552 KB

english, 2012

9

On the divergence of Nörlund logarithmic means of Walsh-Fourier series

György Gát, Ushangi Goginava

Journal:

Acta Mathematica Sinica, English Series (Springer)

Year:

2009

Language:

english

File:

PDF, 233 KB

english, 2009

10

The martingale hardy type inequality for Marcinkiewicz-Fejér means of two-dimensional conjugate Walsh-Fourier series

Ushangi Goginava

Journal:

Acta Mathematica Sinica, English Series (Springer)

Year:

2011

Language:

english

File:

PDF, 195 KB

english, 2011

11

Ces

Ushangi Goginava

Journal:

Analysis Mathematica

Year:

2004

Language:

english

File:

PDF, 184 KB

english, 2004

12

Maximal operators of (C,α)-means of cubic partial sums ofd-dimensional Walsh-Fourier series

Ushangi Goginava

Journal:

Analysis Mathematica

Year:

2007

Language:

english

File:

PDF, 275 KB

english, 2007

13

Weak type inequality for the maximal operator of the (C, α) means of two-dimensionalWalsh-Fourier series

Ushangi Goginava

Journal:

Analysis Mathematica

Year:

2010

Language:

english

File:

PDF, 275 KB

english, 2010

14

On the maximal operator of Walsh-Kaczmarz-Fejér means

Ushangi Goginava, Károly Nagy

Journal:

Czechoslovak Mathematical Journal

Year:

2011

Language:

english

File:

PDF, 151 KB

english, 2011

15

On the Fejér means of double Fourier series with respect to the Walsh-Kaczmarz system

Ushangi Goginava, Károly Nagy

Journal:

Periodica Mathematica Hungarica

Year:

2007

Language:

english

File:

PDF, 147 KB

english, 2007

16

Restricted maximal operators of Fejér means of double Walsh-Fourier series

Ushangi Goginava

Journal:

Periodica Mathematica Hungarica

Year:

2009

Language:

english

File:

PDF, 165 KB

english, 2009

17

Almost everywhere summability of multiple Walsh–Fourier series

Ushangi Goginava

Journal:

Journal of Mathematical Analysis and Applications

Year:

2003

Language:

english

File:

PDF, 184 KB

english, 2003

18

Strong summability theorems forHp(Δd)

Goginava, Ushangi, Gogoladze, Larry

Journal:

Acta Mathematica Hungarica

Year:

2013

Language:

english

File:

PDF, 474 KB

english, 2013

19

On the convergence of multiple Fourier series of functions of bounded partial generalized variation

Goginava, Ushangi, Sahakian, Artur

Journal:

Analysis Mathematica

Year:

2013

Language:

english

File:

PDF, 193 KB

english, 2013

20

A note on strong summability of two-dimensional Walsh-Fourier series

Ushangi Goginava, Larry Gogoladze

Journal:

Periodica Mathematica Hungarica

Year:

2013

Language:

english

File:

PDF, 152 KB

english, 2013

21

Triangular Fejér summability of two-dimensional Walsh-Fourier series

Gát, György, Goginava, Ushangi

Journal:

Analysis Mathematica

Year:

2014

Language:

english

File:

PDF, 252 KB

english, 2014

22

On the boundedness of the maximal operators of double Walsh-logarithmic means of Marcinkiewicz type

Ushangi Goginava,Károly Nagy

Journal:

Mathematica Slovaca

Year:

2013

Language:

english

File:

PDF, 186 KB

english, 2013

23

Maximal operators of Walsh–Kaczmarz logarithmic means

Nagy, Károly, Goginava, Ushangi

Journal:

Complex Variables and Elliptic Equations

Year:

2013

Language:

english

File:

PDF, 181 KB

english, 2013

24

Uniform summability of double Walsh-Fourier series of functions of bounded partial Λ-variation

Goginava, Ushangi

Journal:

Mathematica Slovaca

Year:

2014

Language:

english

File:

PDF, 284 KB

english, 2014

25

Almost everywhere strong summability of Marcinkiewicz means of double Walsh-Fourier series

Gát, György, Goginava, Ushangi, Karagulyan, Grigori

Journal:

Analysis Mathematica

Year:

2014

Language:

english

File:

PDF, 277 KB

english, 2014

26

The two-dimensional Fejér means on diagonal Hardy space

Goginava, Ushangi, Nagy, Károly

Journal:

Periodica Mathematica Hungarica

Year:

2015

Language:

english

File:

PDF, 169 KB

english, 2015

27

Maximal operator of the Fejér means of triangular partial sums of two-dimensional Walsh–Fourier series

Goginava, Ushangi, Weisz, Ferenc

Journal:

Georgian Mathematical Journal

Year:

2012

Language:

english

File:

PDF, 233 KB

english, 2012

28

Convergence of double Fourier series and generalized Λ-variation

Goginava, Ushangi, Sahakian, Artur

Journal:

Georgian Mathematical Journal

Year:

2012

Language:

english

File:

PDF, 220 KB

english, 2012

29

Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series

Goginava, Ushangi, Nagy, Károly

Journal:

Journal of Function Spaces and Applications

Year:

2012

Language:

english

File:

PDF, 133 KB

english, 2012

30

Weak type inequality for the maximal operator of walsh-kaczmarz-marcinkiewicz means

GOGINAVA, Ushangi, NAGY, Károly

Journal:

Acta Mathematica Scientia

Year:

2016

Language:

english

File:

PDF, 355 KB

english, 2016

31

Pointwise convergence of Marcinkiewicz-Fejér means of two-dimensional Walsh-Fourier series

Goginava, Ushangi, Weisz, Ferenc

Journal:

Studia Scientiarum Mathematicarum Hungarica

Year:

2012

Language:

english

File:

PDF, 143 KB

english, 2012

32

Strong approximation of two-dimensional Walsh-Fourier series

Goginava, Ushangi, Gogoladze, Larry

Journal:

Studia Scientiarum Mathematicarum Hungarica

Year:

2012

Language:

english

File:

PDF, 145 KB

english, 2012

33

Convergence of logarithmic means of multiple Walsh-Fourier series

Gát, György, Goginava, Ushangi

Journal:

Studia Scientiarum Mathematicarum Hungarica

Year:

2014

Language:

english

File:

PDF, 142 KB

english, 2014

34

On the Marcinkiewicz-Fejér means of double Fourier series with respect to the Walsh-Kaczmarz system

Gát, György, Goginava, Ushangi, Nagy, Károly

Journal:

Studia Scientiarum Mathematicarum Hungarica

Year:

2009

Language:

english

File:

PDF, 373 KB

english, 2009

35

Norm convergence of logarithmic means on unbounded Vilenkin groups

Gát, György, Goginava, Ushangi

Journal:

Banach Journal of Mathematical Analysis

Year:

2017

Language:

english

File:

PDF, 420 KB

english, 2017

36

Marcinkiewicz-Fejér Means of double VIlenkin-Fourier series

Goginava, Ushangi

Journal:

Studia Scientiarum Mathematicarum Hungarica

Year:

2007

Language:

english

File:

PDF, 247 KB

english, 2007

37

Maximal operators of Fejér means of Walsh-Kaczmarz-Fourier series

Goginava, Ushangi, Nagy, Károly

Journal:

Journal of Function Spaces and Applications

Year:

2010

Language:

english

File:

PDF, 1.90 MB

english, 2010

38

Almost Everywhere Strong C,1,0 Summability of 2-Dimensional Trigonometric Fourier Series

Goginava, Ushangi

Journal:

Indian Journal of Pure and Applied Mathematics

Year:

2020

File:

PDF, 161 KB

2020